From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe Subject: Re: Latest bobtail branch still crashing KVM VMs in bh_write_commit() Date: Wed, 20 Mar 2013 20:53:12 +0100 Message-ID: <514A13A8.7010002@profihost.ag> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ph.de-nserver.de ([85.158.179.214]:48011 "EHLO mail-ph.de-nserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752466Ab3CTTxM (ORCPT ); Wed, 20 Mar 2013 15:53:12 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Travis Rhoden Cc: ceph-devel Hi, strange i've never seen this. Which qemu version? Stefan Am 20.03.2013 20:49, schrieb Travis Rhoden: > Hey folks, > > We were hoping this one was fixed. I upgraded all my nodes to the > latest bobtail branch, but still hit this today: > > osdc/ObjectCacher.cc: In function 'void > ObjectCacher::bh_write_commit(int64_t, sobject_t, loff_t, uint64_t, > tid_t, int)' thread 7f650e62f700 time 2013-03-20 19:34:39.952616 > osdc/ObjectCacher.cc: 834: FAILED assert(ob->last_commit_tid < tid) > ceph version 0.56.3-42-ga30903c (a30903c6adaa023587d3147179d6038ad37ca520) > 1: (ObjectCacher::bh_write_commit(long, sobject_t, long, unsigned > long, unsigned long, int)+0xd68) [0x7f651d0ada48] > 2: (ObjectCacher::C_WriteCommit::finish(int)+0x6b) [0x7f651d0b460b] > 3: (Context::complete(int)+0xa) [0x7f651d06c9fa] > 4: (librbd::C_Request::finish(int)+0x85) [0x7f651d09c315] > 5: (Context::complete(int)+0xa) [0x7f651d06c9fa] > 6: (librbd::rados_req_cb(void*, void*)+0x47) [0x7f651d081387] > 7: (librados::C_AioSafe::finish(int)+0x1d) [0x7f651c43163d] > 8: (Finisher::finisher_thread_entry()+0x1c0) [0x7f651c49c920] > 9: (()+0x7e9a) [0x7f6519cffe9a] > 10: (clone()+0x6d) [0x7f6519a2bcbd] > NOTE: a copy of the executable, or `objdump -rdS ` is > needed to interpret this. > > Is this occuring in librbd caching? If so, I could disable it for the > time being. > > First saw this mentioned on-list here: > http://thread.gmane.org/gmane.comp.file-systems.ceph.devel/13577 > > Will be happy to provide anything I can for this one -- definitely > critical for my use case. It happens with about 10% of the VMs I > create. Always within the first 60 seconds of the VM booting and > being network accessible. > > - Travis > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >